PUMA BIOTECHNOLOGY INC

Ticker: PBYI CUSIP: 74587V107 Class: Common Stock

Rock Springs Capital Management LP's Holding History (CIK: 0001595725)

Note: Option positions (PUT/CALL) are excluded.

Q3 2019

Shares 587,400 Value ($000) $6,323 Avg Close $10.80 Range $8.45 - $13.35

Q2 2019

Shares 534,400 Value ($000) $6,792 Avg Close $23.03 Range $12.22 - $36.75

Q1 2019

Shares 458,000 Value ($000) $17,766 Avg Close $30.54 Range $19.86 - $43.90

Q4 2018

Shares 456,462 Value ($000) $9,289 Avg Close $30.01 Range $17.60 - $47.14

Q3 2018

Shares 487,600 Value ($000) $22,356 Avg Close $48.21 Range $40.45 - $60.95

Q2 2018

Shares 475,800 Value ($000) $28,144 Avg Close $57.95 Range $47.00 - $68.90

Q1 2018

Shares 412,900 Value ($000) $28,098 Avg Close $74.88 Range $56.15 - $101.50

Q4 2017

Shares 373,500 Value ($000) $36,920 Avg Close $111.90 Range $92.36 - $136.90

Q3 2017

Shares 330,000 Value ($000) $39,518 Avg Close $93.01 Range $71.14 - $120.85

Q2 2017

Shares 186,000 Value ($000) $16,256 Avg Close $55.94 Range $28.35 - $92.00

Q1 2017

Shares 94,500 Value ($000) $3,515 Avg Close $36.49 Range $28.95 - $45.44

Q4 2016

Shares 94,500 Value ($000) $2,901 Avg Close $43.24 Range $29.85 - $68.05

Q3 2016

Shares 69,500 Value ($000) $4,660 Avg Close $50.56 Range $28.14 - $73.27

Q2 2016

Shares 33,000 Value ($000) $983 Avg Close $31.26 Range $19.74 - $39.67

Q1 2016

Shares 31,500 Value ($000) $925 Avg Close $45.19 Range $25.20 - $77.99

Q4 2015

Shares 11,000 Value ($000) $862 Avg Close $78.49 Range $56.11 - $94.93

Q3 2015

Shares 15,900 Value ($000) $1,198 Avg Close $94.57 Range $70.39 - $119.36

Q2 2015

Shares 11,000 Value ($000) $1,284 Avg Close $181.09 Range $112.32 - $244.90

Q1 2015

Shares 24,250 Value ($000) $5,726 Avg Close $213.77 Range $183.50 - $252.92

Q4 2014

Shares 23,250 Value ($000) $4,401 Avg Close $221.87 Range $181.60 - $255.43

Q3 2014

Shares 20,500 Value ($000) $4,891 Avg Close $205.34 Range $57.25 - $279.37

Q1 2014

Shares 3,728 Value ($000) $388 Avg Close $117.54 Range $97.31 - $143.65

Q4 2013

Shares 31,500 Value ($000) $3,261 Avg Close $58.69 Range $33.70 - $112.46

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2019	587,400	$6,323	$10.80	$8.45 - $13.35
Q2 2019	534,400	$6,792	$23.03	$12.22 - $36.75
Q1 2019	458,000	$17,766	$30.54	$19.86 - $43.90
Q4 2018	456,462	$9,289	$30.01	$17.60 - $47.14
Q3 2018	487,600	$22,356	$48.21	$40.45 - $60.95
Q2 2018	475,800	$28,144	$57.95	$47.00 - $68.90
Q1 2018	412,900	$28,098	$74.88	$56.15 - $101.50
Q4 2017	373,500	$36,920	$111.90	$92.36 - $136.90
Q3 2017	330,000	$39,518	$93.01	$71.14 - $120.85
Q2 2017	186,000	$16,256	$55.94	$28.35 - $92.00
Q1 2017	94,500	$3,515	$36.49	$28.95 - $45.44
Q4 2016	94,500	$2,901	$43.24	$29.85 - $68.05
Q3 2016	69,500	$4,660	$50.56	$28.14 - $73.27
Q2 2016	33,000	$983	$31.26	$19.74 - $39.67
Q1 2016	31,500	$925	$45.19	$25.20 - $77.99
Q4 2015	11,000	$862	$78.49	$56.11 - $94.93
Q3 2015	15,900	$1,198	$94.57	$70.39 - $119.36
Q2 2015	11,000	$1,284	$181.09	$112.32 - $244.90
Q1 2015	24,250	$5,726	$213.77	$183.50 - $252.92
Q4 2014	23,250	$4,401	$221.87	$181.60 - $255.43
Q3 2014	20,500	$4,891	$205.34	$57.25 - $279.37
Q1 2014	3,728	$388	$117.54	$97.31 - $143.65
Q4 2013	31,500	$3,261	$58.69	$33.70 - $112.46